Glastonbury Weather & Climate: Best Time to Visit

Visitors to Glastonbury can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 22°C (72°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 13°C (55°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Glastonbury experiences moderate precipitation patterns, averaging 853 mm (34 in) yearly. Despite minor fluctuations, Glastonbury enjoys fairly consistent precipitation throughout the year. In October, you can expect around 81 mm (3.2 in) of precipitation, while in March, Glastonbury receives about 60 mm (2.4 in). For more details, please visit our Glastonbury Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Glastonbury can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine